Clumsy Birthday, Stark

[AUTO] [CXCOMBO] [Put 1 card from your hand into your waiting room & Put 1 "Privilege of the Young" from your climax area into your waiting room] At the beginning of your attack phase, you may pay the cost. If you do, [STAND] this card, choose up to 1 "Clumsy Birthday, Fern" in your waiting room, put it in any position of your stage, choose 1 of the following effects, and perform it. "This card gets "[CONT] Great Performance" until the end of your opponent's next turn." "Choose up to 1 card in your waiting room, and put it into your stock."